Pls help me find the operations of 3a^2+4a^2+7a^2​

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose

5x−4≥12 or 12x+5≤−4 can you with this problem

What is r i 4.5+10r=-6.5 with work pls